In the preview for the new season, the cast slip up in tough terrain, get dizzy from hunger, and climb up cliffs in search of food. However, the three Shinhwa members show off their 20-year teamwork while fishing underwater, goofing off with each other, or just hanging out on the beach.

“Law of the Jungle” in Sabah airs on September 21 at 10 p.m. KST. Check out the preview below!